Key lock insert



FIG. 1 is a top view of the key lock insert of the invention;

FIG. 2 is a bottom view of the key lock insert of the invention;

FIG. 3 is a side view of the key lock insert of the invention, the opposite side being a mirror image thereof;

FIG. 4 is a front view of the key lock insert of the invention, the rear side being a mirror image thereof;

FIG. 5 is a first perspective view of the key lock insert of the invention; and,

FIG. 6 is another perspective view of the key lock insert of the invention. 

The ornamental design for a key lock insert, as shown and described. 